France

Roche Aux Mérous

15–35 mMax Depth

boatEntry

7Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.1 m

3.0 s

Swell

0.0 m

2.9 s

Current speed

0.3 km/h

flowing toward SW

Water temperature

23.8°C

Wind

5.2 km/h

→ W

Sea level

-0.6 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

08:15–08:00

Calmest model window

Forecast Overview

Fri, Oct 16Calm

Waves0.1–0.1 mCurrent speed0.4 km/h maxWater temperature23.9°C

Sat, Oct 17Calm

Waves0.0–0.1 mCurrent speed0.4 km/h maxWater temperature23.8°C

Sun, Oct 18Calm

Waves0.1–0.5 mCurrent speed0.2 km/h maxWater temperature23.7°C

Mon, Oct 19Watch

Waves0.5–0.6 mCurrent speed0.0 km/h maxWater temperature23.6°C

Next 72 hours

08:00

Waves: 0.1 m

Current speed: 0.3 km/h

Water temperature: 23.8°C

14:00

Waves: 0.1 m

Current speed: 0.2 km/h

Water temperature: 24.0°C

20:00

Waves: 0.1 m

Current speed: 0.4 km/h

Water temperature: 23.9°C

02:00

Waves: 0.1 m

Current speed: 0.4 km/h

Water temperature: 23.8°C

08:00

Waves: 0.1 m

Current speed: 0.4 km/h

Water temperature: 23.8°C

14:00

Waves: 0.0 m

Current speed: 0.0 km/h

Water temperature: 23.9°C

20:00

Waves: 0.1 m

Current speed: 0.3 km/h

Water temperature: 23.8°C

02:00

Waves: 0.1 m

Current speed: 0.0 km/h

Water temperature: 23.8°C

08:00

Waves: 0.1 m

Current speed: 0.0 km/h

Water temperature: 23.7°C

14:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 23.7°C

20:00

Waves: 0.5 m

Current speed: 0.0 km/h

Water temperature: 23.7°C

02:00

Waves: 0.5 m

Current speed: 0.0 km/h

Water temperature: 23.6°C

Catalog depth15–35 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

May-Oct

Peak month

Aug 25.1°

Jan14.1°

Feb13.6°

Mar13.8°

Apr15.0°

May17.8°

Jun21.4°

Jul24.2°

Aug25.1°

Sep23.1°

Oct20.6°

Nov18.0°

Dec15.4°

Current: mild

Typical visibility: 20 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

reefsalt Waterintermediate Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Emys orbicularis

DeepLog2

Long-snouted seahorse

Hippocampus guttulatus

DeepLog2

Common eagle ray

Myliobatis aquila

DeepLog1

Common stingray

Dasyatis pastinaca

DeepLog1

Dusky grouper

Epinephelus marginatus

DeepLog1

Shi drum

Umbrina cirrosa

DeepLog1

White skate

Rostroraja alba

DeepLog1

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos